public void AddGuitar(String serialNumber, double price, Builder builder, String model, Type type, Wood backWood, Wood topWood, int numStrings)
{
GuitarSpec guitarSpec = new GuitarSpec(type, builder, backWood, topWood, model, numStrings);
Guitar guitar = new Guitar(serialNumber, price, guitarSpec);
guitars.Add(guitar);
}
public Guitar GetGuitar(String serialNumber)
{
foreach (var item in guitars)
{
Guitar guitar = (Guitar)item;
if (guitar.SerialNumber.Equals(serialNumber))
{
return(guitar);
}
}
return(null);
}